SKSANDEEP KUMAR RAJU SANGARAJUindatatrail.hashnode.dev·Mar 25 · 13 min readFrom 14 Days to 8 Minutes: How We Solved the ML Experimentation Bottleneck With IaC and Spot InstancesYour ML team's biggest enemy isn't a bad algorithm. It's waiting for a GPU. The Moment I Realized We Had a Problem It was a Thursday afternoon standup. One of our best ML engineers — let's call her 00
SKSANDEEP KUMAR RAJU SANGARAJUindatatrail.hashnode.dev·Mar 21 · 8 min readMigrating Teradata Column Alias References to BigQuery: The UNNEST Pattern ExplainedTL;DR: Teradata lets you reference column aliases within the same SELECT statement — BigQuery doesn't. During migration, the workaround is a clever CROSS JOIN UNNEST pattern that preserves logic witho00
SKSANDEEP KUMAR RAJU SANGARAJUindatatrail.hashnode.dev·Mar 21 · 21 min readTaming the Beast: A DBA's Playbook for Conquering Billion-Row Performance Bottlenecks Between SQL Server and Power BIReading time: ~18 minutes The Problem Nobody Warns You About You've built the perfect dimensional model. Your star schema is textbook. Fact tables are normalized, dimensions are conformed, and the ET00
SKSANDEEP KUMAR RAJU SANGARAJUindatatrail.hashnode.dev·Mar 20 · 14 min readThe OG of Data Science: MicroStrategy Had It All Before It Was CoolEveryone remembers where they were when "data scientist" was declared the sexiest job of the 21st century. It was 2012, Harvard Business Review had just published the now-legendary article, and sudden00
SKSANDEEP KUMAR RAJU SANGARAJUindatatrail.hashnode.dev·Mar 16 · 18 min readTeradata to BigQuery Migration: The Case Sensitivity Trap Nobody Warns You AboutWhy Your 10,000+ Queries Break After Migration — and How to Fix Them If you have ever migrated a data warehouse from Teradata to Google Cloud BigQuery, you have probably experienced that sinking feel00
